applications/monitoring/src/test/java/org/onap/policy/xacml/pdp/application/monitoring/MonitoringPdpApplicationTest.java

   1 /*-
   2  * ============LICENSE_START=======================================================
   3  * ONAP
   4  * ================================================================================
   5  * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  *
  19  * SPDX-License-Identifier: Apache-2.0
  20  * ============LICENSE_END=========================================================
  21  */
  22
  23 package org.onap.policy.xacml.pdp.application.monitoring;
  24
  25 import static org.assertj.core.api.Assertions.assertThat;
  26
  27 import com.att.research.xacml.api.Response;
  28 import java.io.File;
  29 import java.io.IOException;
  30 import java.util.Iterator;
  31 import java.util.List;
  32 import java.util.Properties;
  33 import java.util.ServiceLoader;
  34 import org.apache.commons.lang3.tuple.Pair;
  35 import org.junit.BeforeClass;
  36 import org.junit.ClassRule;
  37 import org.junit.FixMethodOrder;
  38 import org.junit.Test;
  39 import org.junit.rules.TemporaryFolder;
  40 import org.junit.runners.MethodSorters;
  41 import org.onap.policy.common.utils.coder.CoderException;
  42 import org.onap.policy.common.utils.coder.StandardCoder;
  43 import org.onap.policy.common.utils.resources.TextFileUtils;
  44 import org.onap.policy.models.decisions.concepts.DecisionRequest;
  45 import org.onap.policy.models.decisions.concepts.DecisionResponse;
  46 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicy;
  47 import org.onap.policy.models.tosca.authorative.concepts.ToscaPolicyTypeIdentifier;
  48 import org.onap.policy.pdp.xacml.application.common.TestUtils;
  49 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationException;
  50 import org.onap.policy.pdp.xacml.application.common.XacmlApplicationServiceProvider;
  51 import org.onap.policy.pdp.xacml.application.common.XacmlPolicyUtils;
  52 import org.slf4j.Logger;
  53 import org.slf4j.LoggerFactory;
  54
  55 @FixMethodOrder(MethodSorters.NAME_ASCENDING)
  56 public class MonitoringPdpApplicationTest {
  57
  58     private static final Logger LOGGER = LoggerFactory.getLogger(MonitoringPdpApplicationTest.class);
  59     private static Properties properties = new Properties();
  60     private static File propertiesFile;
  61     private static XacmlApplicationServiceProvider service;
  62     private static DecisionRequest requestSinglePolicy;
  63     private static DecisionRequest requestPolicyType;
  64
  65     private static StandardCoder gson = new StandardCoder();
  66
  67     @ClassRule
  68     public static final TemporaryFolder policyFolder = new TemporaryFolder();
  69
  70     /**
  71      * Copies the xacml.properties and policies files into
  72      * temporary folder and loads the service provider saving
  73      * instance of provider off for other tests to use.
  74      */
  75     @BeforeClass
  76     public static void setup() throws Exception {
  77         //
  78         // Load Single Decision Request
  79         //
  80         requestSinglePolicy = gson.decode(
  81                 TextFileUtils
  82                     .getTextFileAsString("../../main/src/test/resources/decisions/decision.single.input.json"),
  83                     DecisionRequest.class);
  84         // Load Single Decision Request
  85         //
  86         requestPolicyType = gson.decode(
  87                 TextFileUtils
  88                 .getTextFileAsString("../../main/src/test/resources/decisions/decision.policytype.input.json"),
  89                 DecisionRequest.class);
  90         //
  91         // Setup our temporary folder
  92         //
  93         XacmlPolicyUtils.FileCreator myCreator = (String filename) -> policyFolder.newFile(filename);
  94         propertiesFile = XacmlPolicyUtils.copyXacmlPropertiesContents("src/test/resources/xacml.properties",
  95                 properties, myCreator);
  96         //
  97         // Load XacmlApplicationServiceProvider service
  98         //
  99         ServiceLoader<XacmlApplicationServiceProvider> applicationLoader =
 100                 ServiceLoader.load(XacmlApplicationServiceProvider.class);
 101         //
 102         // Look for our class instance and save it
 103         //
 104         StringBuilder strDump = new StringBuilder("Loaded applications:" + System.lineSeparator());
 105         Iterator<XacmlApplicationServiceProvider> iterator = applicationLoader.iterator();
 106         while (iterator.hasNext()) {
 107             XacmlApplicationServiceProvider application = iterator.next();
 108             //
 109             // Is it our service?
 110             //
 111             if (application instanceof MonitoringPdpApplication) {
 112                 //
 113                 // Should be the first and only one
 114                 //
 115                 assertThat(service).isNull();
 116                 service = application;
 117             }
 118             strDump.append(application.applicationName());
 119             strDump.append(" supports ");
 120             strDump.append(application.supportedPolicyTypes());
 121             strDump.append(System.lineSeparator());
 122         }
 123         LOGGER.debug("{}", strDump);
 124         //
 125         // Tell it to initialize based on the properties file
 126         // we just built for it.
 127         //
 128         service.initialize(propertiesFile.toPath().getParent());
 129     }
 130
 131     @Test
 132     public void test1Basics() {
 133         //
 134         // Make sure there's an application name
 135         //
 136         assertThat(service.applicationName()).isNotEmpty();
 137         //
 138         // Ensure it has the supported policy types and
 139         // can support the correct policy types.
 140         //
 141         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.0.0"))).isTrue();
 142         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.Monitoring", "1.5.0"))).isTrue();
 143         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier(
 144                 "onap.policies.monitoring.foobar", "1.0.1"))).isTrue();
 145         assertThat(service.canSupportPolicyType(new ToscaPolicyTypeIdentifier("onap.foobar", "1.0.0"))).isFalse();
 146         //
 147         // Ensure it supports decisions
 148         //
 149         assertThat(service.actionDecisionsSupported()).contains("configure");
 150     }
 151
 152     @Test
 153     public void test2NoPolicies() {
 154         //
 155         // Ask for a decision
 156         //
 157         Pair<DecisionResponse, Response> decision = service.makeDecision(requestSinglePolicy);
 158         LOGGER.info("Decision {}", decision);
 159
 160         assertThat(decision.getKey()).isNotNull();
 161         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 162     }
 163
 164     @Test
 165     public void test3AddvDnsPolicy() throws IOException, CoderException, XacmlApplicationException {
 166         //
 167         // Now load the vDNS Policy - make sure
 168         // the pdp can support it and have it load
 169         // into the PDP.
 170         //
 171         //
 172         // Now load the monitoring policies
 173         //
 174         final List<ToscaPolicy> loadedPolicies = TestUtils.loadPolicies("src/test/resources/vDNS.policy.input.yaml",
 175                 service);
 176         //
 177         // Ask for a decision
 178         //
 179         Pair<DecisionResponse, Response> decision = service.makeDecision(requestSinglePolicy);
 180         LOGGER.info("Decision {}", decision);
 181
 182         assertThat(decision.getKey()).isNotNull();
 183         assertThat(decision.getKey().getPolicies().size()).isEqualTo(1);
 184         //
 185         // Dump it out as Json
 186         //
 187         LOGGER.info(gson.encode(decision.getKey()));
 188         //
 189         // Ask for a decision based on policy-type
 190         //
 191         decision = service.makeDecision(requestPolicyType);
 192         LOGGER.info("Decision {}", decision);
 193
 194         assertThat(decision.getKey()).isNotNull();
 195         assertThat(decision.getKey().getPolicies().size()).isEqualTo(1);
 196         //
 197         // Dump it out as Json
 198         //
 199         LOGGER.info(gson.encode(decision.getKey()));
 200         //
 201         // Now unload it
 202         //
 203         LOGGER.info("Now testing unloading of policy");
 204         for (ToscaPolicy policy : loadedPolicies) {
 205             assertThat(service.unloadPolicy(policy)).isTrue();
 206         }
 207         //
 208         // Ask for a decision
 209         //
 210         decision = service.makeDecision(requestSinglePolicy);
 211         LOGGER.info("Decision {}", decision.getKey());
 212
 213         assertThat(decision.getKey()).isNotNull();
 214         assertThat(decision.getKey().getPolicies().size()).isEqualTo(0);
 215     }
 216
 217 }